Environmental Technology & Innovation,
Год журнала:
2024,
Номер
35, С. 103669 - 103669
Опубликована: Май 14, 2024
To
address
the
defects
of
traditional
composting
products,
such
as
slow
fertilizer
efficiency,
high
dosage
and
emissions
gas
pollutants,
we
propose
a
new
process
from
perspective
increasing
dissolved
organic
carbon
(DOC)
content
in
compost.
The
results
showed
that
nanobiofilm-covered
echelon
oxygen-controlled
could
effectively
reduce
CH4,
CO2
NH3
increase
DOC
products.
Among
methods,
using
nanobiofilm
covering
applying
moderate
ventilation
during
warming
phase
high-temperature
phase,
along
with
low
cooling
maturation
phases
(T3),
proved
to
be
most
effective
promoting
conversion
reducing
nitrogen
losses.
Compared
control,
this
treatment
resulted
36.16%
reduction
total
loss,
21.14%
57.22%
greenhouse
while
also
by
82.64%.
This
is
because
T3
initially
maintained
an
aerobic
state,
followed
semianaerobic
which
conducive
accumulation
DOC.
research
provide
technical
path
for
improving
quality,
efficiency
emission
fertilizer.
Intercropping
and
phosphorus
application
are
effective
ways
to
increase
crop
yield
improve
cultivated
land
quality.
This
study
took
the
soil
under
maize-peanut
intercropping
system
which
has
been
planted
for
12
years
as
research
object,
physical,
chemical,
electrochemical
properties
of
soil,
different
planting
patterns
[sole-crop
maize
(SM),
sole-crop
peanut
(SP),
(M/P)]
rates
[P
(180
kg
P
2
O
5
ha
−1
)
no
(0
)]
were
studied.
The
results
showed
that
increased
aggregate
stability,
clay
content,
gas
phase
ratio,
further
optimized
physical
properties.
At
same
time,
decreased
pH
EC,
organic
carbon
(SOC),
total
nitrogen
(TN),
(TP)
contents.
pH,
SOC,
TN,
TP,
EC.
Compared
with
monoculture,
surface
charge
number
(SCN)
by
19.98%,
specific
area
(SSA)
44.34%,
density
(
σ
0
38.08,
electric
field
strength
E
38.22,
Zeta
potential
46.85%.
SCN
20.75%,
SSA
23.43%,
67.82%,
67.13%,
15.51%.
Maize-peanut
system,
phosphate
fertilizer
peanut.
stability
significantly
positively
correlated
yield,
carbon,
phosphorus,
extremely
yield.
Plants,
Год журнала:
2024,
Номер
13(9), С. 1241 - 1241
Опубликована: Апрель 30, 2024
Residual
film
pollution
and
excessive
nitrogen
fertilizer
have
become
limiting
factors
for
agricultural
development.
To
investigate
the
feasibility
of
replacing
conventional
plastic
with
biodegradable
in
cold
arid
environments
under
application
conditions,
field
experiments
were
conducted
from
2021
to
2022
covering
(including
degradable
(D)
ordinary
(P))
combined
0
(N0),
160
(N1),
320
(N2),
480
(N3)
kg·ha−1.
The
results
showed
no
significant
difference
(p
>
0.05)
dry
matter
accumulation,
photosynthetic
gas
exchange
parameters,
soil
enzyme
activity,
or
yield
spring
maize
cover
compared
cover.
Nitrogen
is
main
factor
growth
maize.
above-ground
root
biomass
a
trend
increasing
then
decreasing
increase
level.
Increasing
can
also
improve
parameters
leaves,
maintain
reduce
pH.
Under
level
N2,
coverage
increased
by
3.74~42.50%
2.05~40.02%,
respectively.
At
same
time,
it
water
use
efficiency
irrigation
efficiency,
but
will
partial
productivity
agronomic
efficiency.
Using
multiple
indicators
evaluate
effect
mulching
on
comprehensive
maize,
was
found
that
DN2
treatment
had
best
complete
which
model
achieving
stable
income
green
development
cool
areas.
Soil Use and Management,
Год журнала:
2025,
Номер
41(2)
Опубликована: Апрель 1, 2025
Abstract
One
of
the
challenges
sustainable
horticulture
is
to
preserve
soil
quality
(SQ)
by
reducing
intensity
tillage
operations
and
adopting
practices
that
maintain
organic
matter
(SOM).
Relationships
between
best
management
practices,
SOM
fractions
health
in
conventional
vegetable
production
systems
(VPS)
are
still
unclear.
This
study
aimed
evaluate
relationships
biological
indicators
SQ,
looking
for
potential
impacts
(BMP)
VPS.
Ninety
samples
were
collected
at
0–10
cm
depth
(48
42
systems)
from
53
producing
areas
Federal
District,
Brazil.
The
adoption
level
each
BMP
was
assessed
assigning
scores
ranging
1
10.
Total
carbon
determined
dry
combustion
(SOC
DC
),
Walkley‐Black
method
WB
particulate
(POC),
potassium
permanganate
oxidizable
(POX‐C),
mineral‐associated
(MOC),
fulvic
acids
(FA)
humic
(HA),
humin
(HU),
F1,
F2,
F3,
F4,
β‐glucosidase
(GLU)
Arylsulfatase
(ARYL)
activity
determined.
In
field,
farmers
answered
a
semi‐structured
questionnaire
relating
adopted
ARYL
levels,
labile
stable
higher
than
ones,
except
F3.
showed
moderate
strong
correlations
with
POC,
POX‐C,
HA,
HU,
SOC
,
while
GLU
correlated
moderately
only
POC
FA.
According
principal
component
analysis,
most
differentiated
VPS
ARYL.
PCA,
no
clear
effect
time
on
properties
observed.
Organic
can
serve
as
reference
search
SQ
they
good
SQ.
